Serving tray



FIG. 1 is a top plan view of a serving tray showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an end elevational view thereof;

FIG. 4 is a cross-sectional view thereof taken on line 4--4 of FIG. 1;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a partial cross-sectional view thereof, shown in an enlarged scale, taken on line 6--6 of FIG. 1. 

The ornamental design for a serving tray, as shown and described. 